1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 Agback, P. Baumann, H. Knapp, S. Ladenstein, R. Hard, T. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 1 90.00 90.00 90.00 1.000 1.000 1.000 C3 H7 N O2 89.093 y ALANINE L-peptide linking C6 H15 N4 O2 1 175.209 y ARGININE L-peptide linking C4 H7 N O4 133.103 y ASPARTIC ACID L-peptide linking C10 H14 N5 O6 P 331.222 y 2'-DEOXYADENOSINE-5'-MONOPHOSPHATE DNA linking C9 H14 N3 O7 P 307.197 y 2'-DEOXYCYTIDINE-5'-MONOPHOSPHATE DNA linking C10 H14 N5 O7 P 347.221 y 2'-DEOXYGUANOSINE-5'-MONOPHOSPHATE DNA linking C10 H15 N2 O8 P 322.208 y THYMIDINE-5'-MONOPHOSPHATE DNA linking C5 H10 N2 O3 146.144 y GLUTAMINE L-peptide linking C5 H9 N O4 147.129 y GLUTAMIC ACID L-peptide linking C2 H5 N O2 75.067 y GLYCINE peptide linking C6 H13 N O2 131.173 y ISOLEUCINE L-peptide linking C6 H13 N O2 131.173 y LEUCINE L-peptide linking C6 H15 N2 O2 1 147.195 y LYSINE L-peptide linking C5 H11 N O2 S 149.211 y METHIONINE L-peptide linking C9 H11 N O2 165.189 y PHENYLALANINE L-peptide linking C5 H9 N O2 115.130 y PROLINE L-peptide linking C3 H7 N O3 105.093 y SERINE L-peptide linking C4 H9 N O3 119.119 y THREONINE L-peptide linking C11 H12 N2 O2 204.225 y TRYPTOPHAN L-peptide linking C9 H11 N O3 181.189 y TYROSINE L-peptide linking C5 H11 N O2 117.146 y VALINE L-peptide linking US Nat.Struct.Biol. NSBIEW 2024 1072-8368 5 579 584 10.1038/836 9665172 Architecture of Nonspecific Protein-DNA Interactions in the Sso7D-DNA Complex 1998 UK J.Mol.Biol. JMOBAK 0070 0022-2836 247 840 DNA-Binding Surface of the Sso7D Protein from Sulfolobus Solfataricus 1995 US Nat.Struct.Biol. NSBIEW 2024 1072-8368 1 808 Solution Structure and DNA-Binding Properties of a Thermostable Protein from the Archaeon Sulfolobus Solfataricus 1994 10.2210/pdb1bbx/pdb pdb_00001bbx 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 3663.392 DNA (5'-D(*CP*TP*AP*GP*CP*GP*CP*GP*CP*TP*AP*G)-3') 2 syn polymer 7163.403 DNA-BINDING PROTEIN 7D 2 man polymer SSO7D no no (DC)(DT)(DA)(DG)(DC)(DG)(DC)(DG)(DC)(DT)(DA)(DG) CTAGCGCGCTAG A,B polydeoxyribonucleotide no no ATVKFKYKGEEKQVDISKIKKVWRVGKMISFTYDEGGGKTGRGAVSEKDAPKELLQMLEKQKK ATVKFKYKGEEKQVDISKIKKVWRVGKMISFTYDEGGGKTGRGAVSEKDAPKELLQMLEKQKK C,D polypeptide(L) n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n Sulfolobus Escherichia Escherichia coli sample DSM 1616 BL21 2287 Sulfolobus solfataricus 469008 Escherichia coli BL21(DE3) BL21 (DE3) PET15B 0.040 1 19 A 1 B 24 1.510 A_DC1:DG24_B 1 0.256 0.934 -0.010 -0.302 2.643 1 20 A 2 B 23 3.120 A_DT2:DA23_B 2 -2.544 -0.481 0.052 -0.073 -5.284 1 20 A 3 B 22 11.616 A_DA3:DT22_B 3 -9.107 -0.920 -0.092 -0.373 2.352 1 19 A 4 B 21 -1.024 A_DG4:DC21_B 4 -4.874 0.654 0.180 0.040 0.143 1 19 A 5 B 20 5.829 A_DC5:DG20_B 5 -4.134 -0.696 0.291 -0.091 -3.204 1 19 A 6 B 19 5.324 A_DG6:DC19_B 6 -5.927 -0.914 -0.301 -0.324 3.087 1 19 A 7 B 18 5.336 A_DC7:DG18_B 7 -5.902 0.906 -0.297 -0.322 -0.148 1 19 A 8 B 17 5.779 A_DG8:DC17_B 8 -4.029 0.693 0.291 -0.088 -2.527 1 19 A 9 B 16 -1.501 A_DC9:DG16_B 9 -4.781 -0.678 0.186 0.032 5.337 1 20 A 10 B 15 11.587 A_DT10:DA15_B 10 -9.027 0.924 -0.095 -0.373 -2.576 1 20 A 11 B 14 3.114 A_DA11:DT14_B 11 -2.571 0.488 0.052 -0.071 -0.043 1 19 A 12 B 13 1.507 A_DG12:DC13_B 12 0.242 -0.928 -0.010 -0.305 2.689 42.445 A A 1 2 55.958 B B 24 23 3.514 34.906 0.540 0.763 AA_DC1DT2:DA23DG24_BB 1 0.814 -1.305 24.520 -3.319 -0.643 4.381 30.226 A A 2 3 33.172 B B 23 22 4.013 16.398 0.089 1.863 AA_DT2DA3:DT22DA23_BB 2 -1.196 2.419 25.450 -1.082 -0.511 2.763 43.617 A A 3 4 5.950 B B 22 21 2.758 4.411 -0.971 -0.382 AA_DA3DG4:DC21DT22_BB 3 -2.848 3.842 43.315 -0.873 1.075 3.794 22.167 A A 4 5 31.320 B B 21 20 3.643 11.466 -0.923 1.225 AA_DG4DC5:DG20DC21_BB 4 -1.033 2.821 18.976 -2.150 1.921 3.885 28.434 A A 5 6 34.352 B B 20 19 3.874 15.889 1.235 0.978 AA_DC5DG6:DC19DG20_BB 5 3.397 -7.344 23.413 -2.774 -1.496 3.536 34.190 A A 6 7 -10.565 B B 19 18 3.841 -6.179 -0.001 1.398 AA_DG6DC7:DG18DC19_BB 6 -0.034 0.058 33.643 3.488 -0.004 3.886 28.406 A A 7 8 34.259 B B 18 17 3.871 15.836 -1.241 0.978 AA_DC7DG8:DC17DG18_BB 7 -3.407 7.371 23.414 -2.763 1.506 3.785 21.962 A A 8 9 31.769 B B 17 16 3.651 11.508 0.911 1.214 AA_DG8DC9:DG16DC17_BB 8 0.936 -2.584 18.714 -2.283 -1.947 2.760 43.880 A A 9 10 5.793 B B 16 15 2.752 4.320 0.982 -0.378 AA_DC9DT10:DA15DG16_BB 9 2.882 -3.865 43.587 -0.853 -1.083 4.380 30.226 A A 10 11 33.205 B B 15 14 4.013 16.413 -0.089 1.863 AA_DT10DA11:DT14DA15_BB 10 1.202 -2.431 25.441 -1.087 0.511 2.692 42.397 A A 11 12 55.955 B B 14 13 3.517 34.867 -0.538 0.765 AA_DA11DG12:DC13DT14_BB 11 -0.745 1.195 24.494 -3.323 0.651 database_2 pdbx_database_status pdbx_struct_assembly pdbx_struct_oper_list struct_ref_seq_dif repository Initial release Version format compliance Version format compliance Database references Derived calculations Other 1 0 1998-10-14 1 1 2008-03-24 1 2 2011-07-13 1 3 2022-02-16 _database_2.pdbx_DOI _database_2.pdbx_database_accession _pdbx_database_status.process_site _struct_ref_seq_dif.details Y BNL 1998-04-24 REL REL THE STRUCTURE WAS DETERMINED USING TRIPLE-RESONANCE NMR SPECTROSCOPY ON 13C, 15N-LABELLED SSO7D AND NON-LABELLED DNA LOWEST RESTRAINT ENERGY 50 1 HNCO CBCA(CO)NNH HNCACB HCCH-TOCSY HCC-TOCSY 13C 15N DOUBLE HALF-FILTERED 2D NOESY 2D NOESY 15N-EDITED 3D NOE-HSQC 13C-EDITED 3D NOE-HSQC 60 mM 5.0 1 atm 323 K REFINEMENT DETAILS CAN BE FOUND IN THE JRNL CITATION ABOVE. simulated annealing H2O:D2O 9:1 BRUNGER refinement X-PLOR 3.1 structure solution VNMR structure solution ANSIG structure solution XPLOR 500 Varian UNITY C 1 n 1 DC 1 A T 2 n 2 DT 2 A A 3 n 3 DA 3 A G 4 n 4 DG 4 A C 5 n 5 DC 5 A G 6 n 6 DG 6 A C 7 n 7 DC 7 A G 8 n 8 DG 8 A C 9 n 9 DC 9 A T 10 n 10 DT 10 A A 11 n 11 DA 11 A G 12 n 12 DG 12 A C 13 n 1 DC 13 B T 14 n 2 DT 14 B A 15 n 3 DA 15 B G 16 n 4 DG 16 B C 17 n 5 DC 17 B G 18 n 6 DG 18 B C 19 n 7 DC 19 B G 20 n 8 DG 20 B C 21 n 9 DC 21 B T 22 n 10 DT 22 B A 23 n 11 DA 23 B G 24 n 12 DG 24 B ALA 1 n 1 ALA 1 C THR 2 n 2 THR 2 C VAL 3 n 3 VAL 3 C LYS 4 n 4 LYS 4 C PHE 5 n 5 PHE 5 C LYS 6 n 6 LYS 6 C TYR 7 n 7 TYR 7 C LYS 8 n 8 LYS 8 C GLY 9 n 9 GLY 9 C GLU 10 n 10 GLU 10 C GLU 11 n 11 GLU 11 C LYS 12 n 12 LYS 12 C GLN 13 n 13 GLN 13 C VAL 14 n 14 VAL 14 C ASP 15 n 15 ASP 15 C ILE 16 n 16 ILE 16 C SER 17 n 17 SER 17 C LYS 18 n 18 LYS 18 C ILE 19 n 19 ILE 19 C LYS 20 n 20 LYS 20 C LYS 21 n 21 LYS 21 C VAL 22 n 22 VAL 22 C TRP 23 n 23 TRP 23 C ARG 24 n 24 ARG 24 C VAL 25 n 25 VAL 25 C GLY 26 n 26 GLY 26 C LYS 27 n 27 LYS 27 C MET 28 n 28 MET 28 C ILE 29 n 29 ILE 29 C SER 30 n 30 SER 30 C PHE 31 n 31 PHE 31 C THR 32 n 32 THR 32 C TYR 33 n 33 TYR 33 C ASP 34 n 34 ASP 34 C GLU 35 n 35 GLU 35 C GLY 36 n 36 GLY 36 C GLY 37 n 37 GLY 37 C GLY 38 n 38 GLY 38 C LYS 39 n 39 LYS 39 C THR 40 n 40 THR 40 C GLY 41 n 41 GLY 41 C ARG 42 n 42 ARG 42 C GLY 43 n 43 GLY 43 C ALA 44 n 44 ALA 44 C VAL 45 n 45 VAL 45 C SER 46 n 46 SER 46 C GLU 47 n 47 GLU 47 C LYS 48 n 48 LYS 48 C ASP 49 n 49 ASP 49 C ALA 50 n 50 ALA 50 C PRO 51 n 51 PRO 51 C LYS 52 n 52 LYS 52 C GLU 53 n 53 GLU 53 C LEU 54 n 54 LEU 54 C LEU 55 n 55 LEU 55 C GLN 56 n 56 GLN 56 C MET 57 n 57 MET 57 C LEU 58 n 58 LEU 58 C GLU 59 n 59 GLU 59 C LYS 60 n 60 LYS 60 C GLN 61 n 61 GLN 61 C LYS 62 n 62 LYS 62 C LYS 63 n 63 LYS 63 C ALA 1 n 1 ALA 1 D THR 2 n 2 THR 2 D VAL 3 n 3 VAL 3 D LYS 4 n 4 LYS 4 D PHE 5 n 5 PHE 5 D LYS 6 n 6 LYS 6 D TYR 7 n 7 TYR 7 D LYS 8 n 8 LYS 8 D GLY 9 n 9 GLY 9 D GLU 10 n 10 GLU 10 D GLU 11 n 11 GLU 11 D LYS 12 n 12 LYS 12 D GLN 13 n 13 GLN 13 D VAL 14 n 14 VAL 14 D ASP 15 n 15 ASP 15 D ILE 16 n 16 ILE 16 D SER 17 n 17 SER 17 D LYS 18 n 18 LYS 18 D ILE 19 n 19 ILE 19 D LYS 20 n 20 LYS 20 D LYS 21 n 21 LYS 21 D VAL 22 n 22 VAL 22 D TRP 23 n 23 TRP 23 D ARG 24 n 24 ARG 24 D VAL 25 n 25 VAL 25 D GLY 26 n 26 GLY 26 D LYS 27 n 27 LYS 27 D MET 28 n 28 MET 28 D ILE 29 n 29 ILE 29 D SER 30 n 30 SER 30 D PHE 31 n 31 PHE 31 D THR 32 n 32 THR 32 D TYR 33 n 33 TYR 33 D ASP 34 n 34 ASP 34 D GLU 35 n 35 GLU 35 D GLY 36 n 36 GLY 36 D GLY 37 n 37 GLY 37 D GLY 38 n 38 GLY 38 D LYS 39 n 39 LYS 39 D THR 40 n 40 THR 40 D GLY 41 n 41 GLY 41 D ARG 42 n 42 ARG 42 D GLY 43 n 43 GLY 43 D ALA 44 n 44 ALA 44 D VAL 45 n 45 VAL 45 D SER 46 n 46 SER 46 D GLU 47 n 47 GLU 47 D LYS 48 n 48 LYS 48 D ASP 49 n 49 ASP 49 D ALA 50 n 50 ALA 50 D PRO 51 n 51 PRO 51 D LYS 52 n 52 LYS 52 D GLU 53 n 53 GLU 53 D LEU 54 n 54 LEU 54 D LEU 55 n 55 LEU 55 D GLN 56 n 56 GLN 56 D MET 57 n 57 MET 57 D LEU 58 n 58 LEU 58 D GLU 59 n 59 GLU 59 D LYS 60 n 60 LYS 60 D GLN 61 n 61 GLN 61 D LYS 62 n 62 LYS 62 D LYS 63 n 63 LYS 63 D author_defined_assembly 4 tetrameric 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 1_555 x,y,z identity operation 0.0000000000 0.0000000000 0.0000000000 C O VAL 3 C O VAL 3 C N VAL 14 C N VAL 14 D O VAL 3 D O VAL 3 D N VAL 14 D N VAL 14 1 A A H5'' OP2 DT DA 10 11 1.49 1 B B H5'' OP2 DT DA 22 23 1.50 1 C C O H SER ASP 46 49 1.53 1 D D O H SER ASP 46 49 1.54 1 D D O H TYR GLY 7 9 1.56 1 C C O H TYR GLY 7 9 1.56 1 D D O H LEU MET 54 57 1.59 1 C C O H LEU MET 54 57 1.59 1 C ARG 24 0.184 SIDE CHAIN 1 C ARG 42 0.133 SIDE CHAIN 1 D ARG 24 0.183 SIDE CHAIN 1 D ARG 42 0.133 SIDE CHAIN 1 -3.68 0.60 122.90 119.22 A A A C6 C5 C7 DT DT DT 2 2 2 N 1 3.89 0.50 113.80 117.69 A A A N7 C8 N9 DA DA DA 3 3 3 N 1 4.48 0.50 113.10 117.58 A A A N7 C8 N9 DG DG DG 4 4 4 N 1 -2.53 0.40 106.40 103.87 A A A C8 N9 C4 DG DG DG 4 4 4 N 1 4.66 0.50 113.10 117.76 A A A N7 C8 N9 DG DG DG 6 6 6 N 1 4.32 0.50 113.10 117.42 A A A N7 C8 N9 DG DG DG 8 8 8 N 1 -4.31 0.60 122.90 118.59 A A A C6 C5 C7 DT DT DT 10 10 10 N 1 3.98 0.50 113.80 117.78 A A A N7 C8 N9 DA DA DA 11 11 11 N 1 4.65 0.50 113.10 117.75 A A A N7 C8 N9 DG DG DG 12 12 12 N 1 -2.48 0.40 106.40 103.92 A A A C8 N9 C4 DG DG DG 12 12 12 N 1 -3.64 0.60 122.90 119.26 B B B C6 C5 C7 DT DT DT 14 14 14 N 1 3.88 0.50 113.80 117.68 B B B N7 C8 N9 DA DA DA 15 15 15 N 1 4.45 0.50 113.10 117.55 B B B N7 C8 N9 DG DG DG 16 16 16 N 1 -2.52 0.40 106.40 103.88 B B B C8 N9 C4 DG DG DG 16 16 16 N 1 4.64 0.50 113.10 117.74 B B B N7 C8 N9 DG DG DG 18 18 18 N 1 4.31 0.50 113.10 117.41 B B B N7 C8 N9 DG DG DG 20 20 20 N 1 -4.32 0.60 122.90 118.58 B B B C6 C5 C7 DT DT DT 22 22 22 N 1 4.03 0.50 113.80 117.83 B B B N7 C8 N9 DA DA DA 23 23 23 N 1 4.69 0.50 113.10 117.79 B B B N7 C8 N9 DG DG DG 24 24 24 N 1 -2.55 0.40 106.40 103.85 B B B C8 N9 C4 DG DG DG 24 24 24 N 1 C PHE 5 178.05 -156.75 1 C LYS 8 66.96 -59.22 1 C LYS 20 -165.33 -53.36 1 C TRP 23 -111.20 -163.89 1 C ARG 24 -167.46 101.28 1 C MET 28 -174.83 -112.85 1 C SER 30 -50.64 97.75 1 C GLU 35 -155.39 33.92 1 C LYS 39 -95.37 51.88 1 C THR 40 64.01 -70.80 1 C LEU 54 -136.98 -53.08 1 C GLN 61 -91.89 -102.40 1 D PHE 5 178.03 -156.85 1 D LYS 8 66.88 -59.17 1 D LYS 20 -165.46 -53.40 1 D TRP 23 -111.25 -164.06 1 D ARG 24 -167.38 101.38 1 D MET 28 -174.82 -111.72 1 D SER 30 -50.72 97.67 1 D GLU 35 -155.44 33.91 1 D LYS 39 -95.50 52.00 1 D THR 40 63.92 -70.84 1 D LEU 54 -137.02 -53.13 1 D GLN 61 -91.86 -102.55 model building X-PLOR 3.1 refinement X-PLOR 3.1 phasing X-PLOR 3.1 NON-SPECIFIC PROTEIN-DNA INTERACTIONS IN THE SSO7D-DNA COMPLEX, NMR, 1 STRUCTURE 1 N N 1 N N 2 N N 2 N N C ILE 16 C ILE 16 HELX_P C LYS 18 C LYS 18 5 1 3 C LEU 55 C LEU 55 HELX_P C LYS 60 C LYS 60 1 2 6 D ILE 16 D ILE 16 HELX_P D LYS 18 D LYS 18 5 3 3 D LEU 55 D LEU 55 HELX_P D LYS 60 D LYS 60 1 4 6 hydrog WATSON-CRICK A DC 1 A N3 DC 1 1_555 B DG 24 B N1 DG 12 1_555 hydrog WATSON-CRICK A DC 1 A N4 DC 1 1_555 B DG 24 B O6 DG 12 1_555 hydrog WATSON-CRICK A DC 1 A O2 DC 1 1_555 B DG 24 B N2 DG 12 1_555 hydrog WATSON-CRICK A DT 2 A N3 DT 2 1_555 B DA 23 B N1 DA 11 1_555 hydrog WATSON-CRICK A DT 2 A O4 DT 2 1_555 B DA 23 B N6 DA 11 1_555 hydrog WATSON-CRICK A DA 3 A N1 DA 3 1_555 B DT 22 B N3 DT 10 1_555 hydrog WATSON-CRICK A DA 3 A N6 DA 3 1_555 B DT 22 B O4 DT 10 1_555 hydrog WATSON-CRICK A DG 4 A N1 DG 4 1_555 B DC 21 B N3 DC 9 1_555 hydrog WATSON-CRICK A DG 4 A N2 DG 4 1_555 B DC 21 B O2 DC 9 1_555 hydrog WATSON-CRICK A DG 4 A O6 DG 4 1_555 B DC 21 B N4 DC 9 1_555 hydrog WATSON-CRICK A DC 5 A N3 DC 5 1_555 B DG 20 B N1 DG 8 1_555 hydrog WATSON-CRICK A DC 5 A N4 DC 5 1_555 B DG 20 B O6 DG 8 1_555 hydrog WATSON-CRICK A DC 5 A O2 DC 5 1_555 B DG 20 B N2 DG 8 1_555 hydrog WATSON-CRICK A DG 6 A N1 DG 6 1_555 B DC 19 B N3 DC 7 1_555 hydrog WATSON-CRICK A DG 6 A N2 DG 6 1_555 B DC 19 B O2 DC 7 1_555 hydrog WATSON-CRICK A DG 6 A O6 DG 6 1_555 B DC 19 B N4 DC 7 1_555 hydrog WATSON-CRICK A DC 7 A N3 DC 7 1_555 B DG 18 B N1 DG 6 1_555 hydrog WATSON-CRICK A DC 7 A N4 DC 7 1_555 B DG 18 B O6 DG 6 1_555 hydrog WATSON-CRICK A DC 7 A O2 DC 7 1_555 B DG 18 B N2 DG 6 1_555 hydrog WATSON-CRICK A DG 8 A N1 DG 8 1_555 B DC 17 B N3 DC 5 1_555 hydrog WATSON-CRICK A DG 8 A N2 DG 8 1_555 B DC 17 B O2 DC 5 1_555 hydrog WATSON-CRICK A DG 8 A O6 DG 8 1_555 B DC 17 B N4 DC 5 1_555 hydrog WATSON-CRICK A DC 9 A N3 DC 9 1_555 B DG 16 B N1 DG 4 1_555 hydrog WATSON-CRICK A DC 9 A N4 DC 9 1_555 B DG 16 B O6 DG 4 1_555 hydrog WATSON-CRICK A DC 9 A O2 DC 9 1_555 B DG 16 B N2 DG 4 1_555 hydrog WATSON-CRICK A DT 10 A N3 DT 10 1_555 B DA 15 B N1 DA 3 1_555 hydrog WATSON-CRICK A DT 10 A O4 DT 10 1_555 B DA 15 B N6 DA 3 1_555 hydrog WATSON-CRICK A DA 11 A N1 DA 11 1_555 B DT 14 B N3 DT 2 1_555 hydrog WATSON-CRICK A DA 11 A N6 DA 11 1_555 B DT 14 B O4 DT 2 1_555 hydrog WATSON-CRICK A DG 12 A N1 DG 12 1_555 B DC 13 B N3 DC 1 1_555 hydrog WATSON-CRICK A DG 12 A N2 DG 12 1_555 B DC 13 B O2 DC 1 1_555 hydrog WATSON-CRICK A DG 12 A O6 DG 12 1_555 B DC 13 B N4 DC 1 1_555 DNA BINDING PROTEIN/DNA PROTEIN-DNA INTERACTION, NONSPECIFIC PROTEIN-DNA INTERACTION, COMPLEX (DNA-BINDING PROTEIN-DNA), DNA BINDING PROTEIN-DNA COMPLEX DN72_SULSO UNP 2 P39476 1BBX PDB 1 1BBX 1 63 1BBX 1 63 P39476 C 1 1 63 1 63 1BBX 1 63 P39476 D 1 1 63 1 12 1BBX 1 12 1BBX A 2 1 12 13 24 1BBX 13 24 1BBX B 2 1 12 1 GLU conflict GLN 13 1BBX C P39476 UNP 13 13 2 GLU conflict GLN 13 1BBX D P39476 UNP 13 13 2 2 anti-parallel anti-parallel C VAL 3 C VAL 3 C TYR 7 C TYR 7 C GLU 10 C GLU 10 C VAL 14 C VAL 14 D VAL 3 D VAL 3 D TYR 7 D TYR 7 D GLU 10 D GLU 10 D VAL 14 D VAL 14 1 P 1